LITTLE KNOWN FACTS ABOUT BIREFRINGENT CRYSTAL.

Therefore, the refractive index also may differ with path when light-weight passes by way of an anisotropic crystal, giving increase to path-specific trajectories and velocities.The reduce area from the Michel-Levy chart (x-axis) marks the orders of retardation in multiples of close to 550 nanometers. The region involving zero and 550 nanometers is